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7x+(2x+7)=9x+7 show work
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7x+(2x+7)=9x+7 show work

7x+(2x+7)=9x+7 show work-example-1
User Ken Hannel
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1 Answer

6 votes

it is true 9x=9x

7x+(2x+7)=9x+7

7x+2x+7=9x+7

-7. -7

7x+2x=9x

9x=9x

User Ifnot
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7.2k points
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